Black-out light shade and protector



June 8, 1943. 1.. w. HUGHES 2,321,488

BLACKOUT LIGHT SHADE AND PROTECTOR Filed Jan. 7, 1942 Imi'entar .ZesfakW 159% Patented June 8, 1943 UNITED STATES PATENT OFFICE BLACK-OUT LIGHTSHADE AND PROTECTOR Lester Wheeler Hughes, Newport, R. I.

Application January 7, 1942, Serial No. 425,924

3 Claims.

The invention relates to improvements in light protection and visibilityfor industrial and domestic use.

In the drawing, wherein like numerals refer to like parts throughout-Figure 1 is a side elevational view.

Figure 2 is a top plan view.

Figure 3 is a transverse sectional view taken substantially on a line 33of Figure 1.

Figure 4 is a fragmentary side elevational view showirg the guide blockfor the upper end of the opaque shield, and

Figure 5 is a fragmentary side elevational view showing the catch forsecuring the collar in position to the bulb.

Referring now to the drawing in detail, the numeral 5 designates a splitcollar adapted for securing the position on a lamp socket, immediatelyabove the lamp, the collar being composed of a pair of sections 6 and 1having eyes 8 and 9 at one end overlying each other and through which ahinge pin I0 is inserted to hingedly connect the sections 6 and I inposition.

Secured to the inner surface of the section I is a split spring ring lladapted for clamping engagement with the lamp socket (not shown). thesplit ring ll being secured to the section I of the collar by a rivetI2.

The free ends of the sections 6 and I are disposed in overlappingrelation as shown in Figure 2 of the drawing, one of the overlappingends having a slot l3 formed therein and the other overlapping end ofthe section of the collar having a pin l4 journaled therein providedwith a head I5 at its inner end adapted to be withdrawn through the slotl3 when the head is aligned therewith and the head I5 is adapted to bearagainst the split ring II to clamp the same in engagement with the lampsocket, upon a turning movement of the pin M. The pin I4 is formed witha non-circular recess IE to receive a tool for manipulating the head l5into and out of its locking position.

The sections 6 and I of the collar are preferably constructed of plasticmaterial and projecting from the lower edge of the section B is atransparent shield II while projecting from the lower edge of thesection I of the collar is an opaque shield l8.

The shields II and I8 are of segmental form r with their edges inoverlapping relation as shown in Figure 3 of the drawing and of a shapesubstantially similar to that of an electric light bulb positionedtherein so that the shield segments I1 and IB combine to enclose thebulb.

Projecting from the section 6 of the collar adjacent its pivoted end isa stud I9 projecting through a slot 20 formed in an annular segment 2|formed at the upper end of a shield segment 22 of opaque material, thesegment 22 is secured in adjusted position by a nut 23 threaded on thestud l9.

The bottom of the segment I? is formed with a threaded stud 24 on whichthe lower end of the shield 22 is pivoted, the shield being secured inadjusted position by a nut 25 threaded on the stud 24.

In the operation of the device the shield segments I1 and I8 are securedin position about a bulb, rays of light from the bulb being excluded atone side thereof by reason of the opaque shield segment I8 while lightmay be projected from the opposite side of the bulb through thetransparent or translucent shield II.

The shield 22 may be moved into a position for covering or uncoveringthe shield segment I! so that rays of light may also be concealedtherefrom and the entire bulb covered by the opaque segments I8 and 22,

It is believed the details ofv construction, operation and manner of useof the device will be readily understood from the foregoing withoutfurther detailed explanation.

Having described the invention, what claimed as new is:

1. A lamp shield comprising a pair of lamp enclosing segments, onesegment being transparent and the other segment being opaque, asectional collar carried by the segments for securing the segments onthe lamp, a second opaque segment, and means for slidably securing thelast-named segment on one section of the collar in covering positionwith respect to the transparent segment.

2. Alamp shield comprising a pair of lamp enclosing segments, onesegment being transparent and the other segment being opaque, asectional collar carried by the segments for securing the segments onthe lamp, a second opaque segment, and means for slidably attaching thelast-named segment to the section of the collar of the transparentsegment for movement of the former into and out of covering positionwith respect to the latter.

3. A lamp shield comprising a split collar adapted for embracing a lampsocket, a split spring ring carried by the collar and adapted forclamping to the socket, means carried by the collar for securing thesplit sections thereof together, a shield carried by each sectionof thecollar and cooperating to enclose a lamp mounted in the socket, oneshield being opaque and the other shield being transparent, a secondopaque shield partly enclosing said first-named shields, and means foradiustably securing said last-named shield on one of the first-namedshields.

LESTER WHEELER HUGHES.

